Nov 17 14:28:07.051 INFO testing JosephFerano/rust_os against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 17 14:28:07.051 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-1/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 17 14:28:07.327 INFO [stdout] 8059e4f612f2f00f8c52af85441d646c503e944a8a6f007d15e32fac536371e0
Nov 17 14:28:07.329 INFO running `"docker" "start" "-a" "8059e4f612f2f00f8c52af85441d646c503e944a8a6f007d15e32fac536371e0"`
Nov 17 14:28:08.180 INFO [stderr] usermod: no changes
Nov 17 14:28:08.243 INFO [stderr]    Compiling bitflags v1.0.4
Nov 17 14:28:08.243 INFO [stderr]    Compiling volatile v0.2.4
Nov 17 14:28:08.388 INFO [stderr]    Compiling multiboot2 v0.7.1
Nov 17 14:28:09.063 INFO [stderr]    Compiling first_os v0.1.0 (/source)
Nov 17 14:28:09.247 INFO [stderr] warning: method is never used: `clear_screen`
Nov 17 14:28:09.247 INFO [stderr]    --> src/vga_buffer.rs:121:5
Nov 17 14:28:09.247 INFO [stderr]     |
Nov 17 14:28:09.247 INFO [stderr] 121 |     pub fn clear_screen(&mut self) {
Nov 17 14:28:09.247 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:28:09.247 INFO [stderr]     |
Nov 17 14:28:09.247 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 17 14:28:09.247 INFO [stderr] 
Nov 17 14:28:09.247 INFO [stderr] warning: unused `core::result::Result` that must be used
Nov 17 14:28:09.247 INFO [stderr]   --> src/lib.rs:25:9
Nov 17 14:28:09.247 INFO [stderr]    |
Nov 17 14:28:09.247 INFO [stderr] 25 | /         writeln!(writer, "    start: 0x{:x}, end: 0x{:x}, size: {:x}",
Nov 17 14:28:09.247 INFO [stderr] 26 | |             area.start_address(),
Nov 17 14:28:09.247 INFO [stderr] 27 | |             area.end_address(),
Nov 17 14:28:09.247 INFO [stderr] 28 | |             area.size());
Nov 17 14:28:09.247 INFO [stderr]    | |_________________________^
Nov 17 14:28:09.247 INFO [stderr]    |
Nov 17 14:28:09.247 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 17 14:28:09.247 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 14:28:09.247 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 17 14:28:09.247 INFO [stderr] 
Nov 17 14:28:09.247 INFO [stderr] warning: unused `core::result::Result` that must be used
Nov 17 14:28:09.247 INFO [stderr]   --> src/lib.rs:36:9
Nov 17 14:28:09.247 INFO [stderr]    |
Nov 17 14:28:09.247 INFO [stderr] 36 | /         writeln!(writer, "    addr: 0x{:x}, size: 0x{:x}, flags: 0x{:x}",
Nov 17 14:28:09.247 INFO [stderr] 37 | |             section.start_address(),
Nov 17 14:28:09.247 INFO [stderr] 38 | |             section.size(),
Nov 17 14:28:09.247 INFO [stderr] 39 | |             section.flags());
Nov 17 14:28:09.247 INFO [stderr]    | |_____________________________^
Nov 17 14:28:09.247 INFO [stderr]    |
Nov 17 14:28:09.247 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 14:28:09.247 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 17 14:28:09.247 INFO [stderr] 
Nov 17 14:28:09.247 INFO [stderr] warning: unused `core::result::Result` that must be used
Nov 17 14:28:09.247 INFO [stderr]   --> src/lib.rs:48:5
Nov 17 14:28:09.247 INFO [stderr]    |
Nov 17 14:28:09.247 INFO [stderr] 48 |     writeln!(writer, "Kernel Start: 0x{:x}, Kernel End: 0x{:x}", kernel_start, kernel_end);
Nov 17 14:28:09.247 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:28:09.247 INFO [stderr]    |
Nov 17 14:28:09.247 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 14:28:09.247 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 17 14:28:09.247 INFO [stderr] 
Nov 17 14:28:09.247 INFO [stderr] warning: unused `core::result::Result` that must be used
Nov 17 14:28:09.247 INFO [stderr]   --> src/lib.rs:49:5
Nov 17 14:28:09.247 INFO [stderr]    |
Nov 17 14:28:09.247 INFO [stderr] 49 |     writeln!(writer, "Multiboot Start: 0x{:x}, Multiboot End: 0x{:x}", multiboot_start, multiboot_end);
Nov 17 14:28:09.247 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:28:09.247 INFO [stderr]    |
Nov 17 14:28:09.247 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 14:28:09.247 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 17 14:28:09.247 INFO [stderr] 
Nov 17 14:28:09.247 INFO [stderr] warning: unused `core::result::Result` that must be used
Nov 17 14:28:09.247 INFO [stderr]   --> src/lib.rs:68:5
Nov 17 14:28:09.247 INFO [stderr]    |
Nov 17 14:28:09.247 INFO [stderr] 68 |     writeln!(writer, "{}", info);
Nov 17 14:28:09.247 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:28:09.247 INFO [stderr]    |
Nov 17 14:28:09.247 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 14:28:09.247 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 17 14:28:09.247 INFO [stderr] 
Nov 17 14:28:09.383 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
Nov 17 14:28:09.387 INFO [stderr] su: No module specific data is present
Nov 17 14:28:09.777 INFO running `"docker" "inspect" "8059e4f612f2f00f8c52af85441d646c503e944a8a6f007d15e32fac536371e0"`
Nov 17 14:28:09.969 INFO running `"docker" "rm" "-f" "8059e4f612f2f00f8c52af85441d646c503e944a8a6f007d15e32fac536371e0"`
Nov 17 14:28:10.149 INFO [stdout] 8059e4f612f2f00f8c52af85441d646c503e944a8a6f007d15e32fac536371e0
Nov 17 14:28:10.159 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-1/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 17 14:28:10.695 INFO [stdout] b276cd4aa74bdd2b8dffa0903c563ede635cb977d8d44337146548b3b0f81f39
Nov 17 14:28:10.699 INFO running `"docker" "start" "-a" "b276cd4aa74bdd2b8dffa0903c563ede635cb977d8d44337146548b3b0f81f39"`
Nov 17 14:28:11.105 INFO [stderr] usermod: no changes
Nov 17 14:28:11.139 INFO [stderr]    Compiling volatile v0.2.4
Nov 17 14:28:11.139 INFO [stderr]    Compiling multiboot2 v0.7.1
Nov 17 14:28:11.769 INFO [stderr]    Compiling first_os v0.1.0 (/source)
Nov 17 14:28:12.140 INFO [stderr] error[E0152]: duplicate lang item found: `eh_personality`.
Nov 17 14:28:12.140 INFO [stderr]   --> src/lib.rs:63:1
Nov 17 14:28:12.140 INFO [stderr]    |
Nov 17 14:28:12.140 INFO [stderr] 63 | pub extern fn eh_personality() {}
Nov 17 14:28:12.140 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:28:12.140 INFO [stderr]    |
Nov 17 14:28:12.140 INFO [stderr]    = note: first defined in crate `panic_unwind`.
Nov 17 14:28:12.140 INFO [stderr] 
Nov 17 14:28:12.140 INFO [stderr] error[E0152]: duplicate lang item found: `panic_impl`.
Nov 17 14:28:12.140 INFO [stderr]   --> src/lib.rs:66:1
Nov 17 14:28:12.140 INFO [stderr]    |
Nov 17 14:28:12.140 INFO [stderr] 66 | / pub extern fn panic(info : &PanicInfo) -> ! {
Nov 17 14:28:12.140 INFO [stderr] 67 | |     let mut writer = Writer::new();
Nov 17 14:28:12.140 INFO [stderr] 68 | |     writeln!(writer, "{}", info);
Nov 17 14:28:12.140 INFO [stderr] 69 | |     loop{}
Nov 17 14:28:12.140 INFO [stderr] 70 | | }
Nov 17 14:28:12.140 INFO [stderr]    | |_^
Nov 17 14:28:12.140 INFO [stderr]    |
Nov 17 14:28:12.140 INFO [stderr]    = note: first defined in crate `std`.
Nov 17 14:28:12.140 INFO [stderr] 
Nov 17 14:28:12.229 INFO [stderr] error: aborting due to 2 previous errors
Nov 17 14:28:12.229 INFO [stderr] 
Nov 17 14:28:12.229 INFO [stderr] For more information about this error, try `rustc --explain E0152`.
Nov 17 14:28:12.235 INFO [stderr] error: Could not compile `first_os`.
Nov 17 14:28:12.235 INFO [stderr] 
Nov 17 14:28:12.235 INFO [stderr] To learn more, run the command again with --verbose.
Nov 17 14:28:12.236 INFO [stderr] su: No module specific data is present
Nov 17 14:28:13.015 INFO running `"docker" "inspect" "b276cd4aa74bdd2b8dffa0903c563ede635cb977d8d44337146548b3b0f81f39"`
Nov 17 14:28:13.351 INFO running `"docker" "rm" "-f" "b276cd4aa74bdd2b8dffa0903c563ede635cb977d8d44337146548b3b0f81f39"`
Nov 17 14:28:13.615 INFO [stdout] b276cd4aa74bdd2b8dffa0903c563ede635cb977d8d44337146548b3b0f81f39